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Open sleeve

2020-10-22 15:39:45
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Open sleeve
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Corrosion of steel pipes is widespread in various sectors of the national economy and national defense construction, which has brought huge losses to the national economy. Heat shrinkable sleeves also cause great difficulties to production and life. Steel pipes are corroded at all times under natural conditions (atmosphere, natural water, soil) or man-made conditions (acid, alkali, salt and other media). A kind of spontaneous unnecessary consumption. The root cause of the steel pipes is that they are in a thermodynamically unstable state. Under the above conditions, they will return to their original relatively stable state. Generate iron oxides and carbonates. Or converted to soluble ions. This process is the corrosion process of metals. According to statistics, my country's annual steel output is 160 million tons. More than 60 million tons are lost every year due to corrosion. It is almost equal to the annual output of Shanghai Baosteel General Iron and Steel Plant. Corrosion is not only a waste of steel resources, but also shortens the service life of pipelines and equipment due to corrosion. The cost of replacing new pipelines and equipment far exceeds the price of the metal material itself. Therefore, the production cost increases and reduces the direct economic benefits caused by corrosion. And the indirect economic losses are huge. Corrosion products form a scale layer, which affects heat transfer and reduces the heat transfer efficiency of the medium flow rate. As a result, energy consumption is greatly increased. The annual economic loss caused by corrosion in my country is as high as 280 billion yuan, which is more than the sum of natural disasters such as wind disasters, floods, earthquakes and fires. want more.


Corrosion causes various accidents and major disasters. Due to the corrosion of steel pipelines and equipment, production enterprises have stopped production and the quality of products has deteriorated. It affects the life supply, gas supply, heating steam or hot water, and brings many difficulties to people's lives. Leakage of buried oil, gas, water and other pipelines and pipeline networks, leakage, leakage, and dripping of pipelines and equipment for enterprise refining, chemical, chemical fiber, fertilizer, and pharmaceuticals. In addition to the loss of a large amount of useful materials, it also caused serious environmental pollution, and even caused catastrophic accidents such as fire, explosion, and collapse. In view of the widespread existence of metal corrosion. In order to prevent or slow down the occurrence of metal corrosion. Various metal anti-corrosion technologies and processes have emerged. The promotion and application of new metal anticorrosion technology, new materials and new equipment. Extend the service life of pipeline equipment, save money and ensure safe production.


With the development of technology, heat shrinkable sleeves have solved many social problems, and technological innovation is the progress of society.


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